In his book, The Design of Everyday Things, Donald A. Norman tells us about his constant trouble with opening doors:
"I push doors that are meant to be pulled, pull doors that should be pushed, and walk into doors that neither pull nor push, but slide."
He says, explaining his frustration. This is one of the examples that he presents in his book to illustrate how a poor design can have a negative effect on user experience:
Known as Norman's Doors, we can see examples of these misleading designs everywhere: remote controls, sink taps, buttons, elevator panels, utensils, home appliances, and a number of other examples ...
